2 Chapter 1MultiMediaCard (MMC), Secure Digital (SD), and xD-Picture Card TM (xD)Input devicesT 88/89-key keyboardT Touchpad with 4-way scroll buttonT Four easy-launch buttonsT Six media keys: volume up/down, play/pause, stop, next, previous (for selected models)T Two front-access LED-switches: WLAN, Bluetooth ®AudioT Audio system with two built-in 1.5W speakersT Intel ® High-Definition audio supportT Sound Blaster Pro TM and MS Sound compatibleT S/PDIF (Sony/Philips Digital Interface) support for digital speakersT Built-in microphoneCommunicationT Acer Video Conference featuring Voice and Video over Internet Protocol (VVoIP) support via AcerOrbiCam TM and optional Acer Bluetooth VoIP phoneT Acer OrbiCam TM 1.3 megapixel/310,000 pixel CMOS camera (LCD panel-mounted), featuring:t 225 degree ergonomic rotationt Acer PrimaLite TM technologyT WLAN:t Intel ® PRO Wireless 3945AGB network connection (dual-band tri-mode 802.11a/b/g) or Intel ® PRO/Wireless 3945BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIED solution, supporting AcerSignalUp wireless technologyt Acer InviLink TM 802.11b/g Wi-Fi CERTIFIEDTM solution, supporting Acer SignalUp TM wireless technology(for Aspire 3680)T WPAN: Bluetooth ® 2.0+EDR (Enhanced Data Rate)T LAN: Fast Ethernet; Wake-on-LAN readyt Gigabit Ethernet; Wake-in-LAN ready (fort Fast Ethernet; Wake-on-LAN readyT Modem: 56K ITU V.92 modem with PTT approval; Wake-on ring readyI/O PortsT PC Card slot (one Type II)T 5-in-1 card reader (MS/MS PRO/MMC/SD/xD)T Three USB 2.0 portsT IEEE 1394 port (4-pin) (for selected models, yet for Aspire 3680/5570/5580, there is no IEEE 1394port)T Infrared port (for selected models, yet for Aspire 3680/5570/5580, there is no Infrared port)T External display (VGA) portT S-Video/TV-out (NTSC/PAL) portT Headphones/speaker/line-out jack with S/PDIF supportT Microphone-in jackT Line-in jackT Ethernet (RJ-45) port